Prometheus EG Hard Gearbox V2 (6mm / 8mm) Bushing Size:6mm You can swap full upper

You can swap full upper receivers with any AEG 2

Weight: 278g

-          Easily installed without the need for tools

Polymer Pistol Grip and Retractable Stock

To cover your tank on Gen2 Redline air stock so it won't freeze your cheek

Prometheus EG Hard Gearbox V2 (6mm / 8mm) Bushing Size:6mm You can swap full upperEG Hard Gearbox Shell Ver. 2 (6mm) Complete redesign of the classic version 2 gearbox for AEGs. The EG Hard Gearbox Shell has been designed from the ground up to solve many of the issues of past designs. New split panel design to make maintenance and custom builds much easier! Quick change spring system and included ball bearing spring guide. CNC Aluminum lower panel for the gearset. Upper panel for the compression unit. Shimming is now faster and